import java.io.*;
import java.net.*;

public class HelloSever {
    public static void main(String[] args) throws Exception {
        ServerSocket serverSocket = new ServerSocket(9999);
        System.out.println("【HelloServer】服务端启动监听......");

        Socket client = serverSocket.accept();

        PrintStream out = new PrintStream(client.getOutputStream());
        out.println("www.yootk.com");

        client.shutdownOutput();
        serverSocket.close();
    }
}
